I am rebuilding the original exchange server and OS. I added a additional DC to the domain and installed exchange with latest sp. I am going to move the mailboxes to the new server but im wondering whats going to happend to all the client profiles in outlook that is pointing to the old server name?? can i add a host record entry on the new server?? how can i move the mailboxes to a new server without any clients knowing or have affect by the change?